Add build2

.gitattributes

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+# This is a good default: files that are auto-detected by git to be text are
+# converted to the platform-native line ending (LF on Unix, CRLF on Windows)
+# in the working tree and to LF in the repository.
+#
+* text=auto
+
+# Use `eol=crlf` for files that should have the CRLF line ending both in the
+# working tree (even on Unix) and in the repository.
+#
+#*.bat text eol=crlf
+
+# Use `eol=lf` for files that should have the LF line ending both in the
+# working tree (even on Windows) and in the repository.
+#
+#*.sh text eol=lf
+
+# Use `binary` to make sure certain files are never auto-detected as text.
+#
+#*.png binary

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/ci.yml@master
+    with:
+      build-target: certifiable-training
+
+  tt-build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/tt-ci.yml@master
+    with:
+      build-target: certifiable-training
+      tt_dev_image: ghcr.io/tenstorrent/tt-metal/tt-metalium/ubuntu-22.04-dev-amd64:d6958801d86fe1e20a07f2be7795fac0b2c9b211

.gitignore

@@ -1,9 +1,48 @@
-# Build artifacts
-build/
+.bdep/
+
+# Local default options files.
+#
+.build2/local/
+
+# Compiler/linker output.
+#
+*.d
+*.t
+*.i
+*.i.*
+*.ii
+*.ii.*
 *.o
-*.a
+*.obj
+*.gcm
+*.pcm
+*.ifc
 *.so
 *.dylib
+*.dll
+*.a
+*.lib
+*.exp
+*.pdb
+*.ilk
+*.exe
+*.exe.dlls/
+*.exe.manifest
+*.pc
+
+# Build2 symlinks exes from build dir to src dir for convenient
+examples/train_xor
+examples/verify_step
+tests/unit/test_backward
+tests/unit/test_bit_identity
+tests/unit/test_compensated
+tests/unit/test_forward
+tests/unit/test_merkle
+tests/unit/test_optimizer
+tests/unit/test_permutation
+tests/unit/test_primitives
+tests/unit/test_prng
+tests/unit/test_reduction
 
 # Editor files
 *.swp

Makefile

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+EXES :=
+DIST :=
+
+# Versioning
+VERSION ?= $(shell (git describe --tags 2>/dev/null || echo "develop") | sed 's/^v//')
+REVISION ?= $(shell git rev-parse --short HEAD)
+
+export VERSION
+export REVISION
+
+# Build configuration (overrideable)
+# build2 requires out-of-source builds. Default to parent directory with compiler suffix.
+SRCDIR := $(notdir $(CURDIR))
+SCRIPTS_DIR ?= ./certifiable-build/scripts
+BUILD_DIR ?= ../build2/$(SRCDIR)-default
+BUILD_TYPE ?= release
+PREFIX ?= /usr/local
+
+# Export for scripts
+export BUILD_DIR
+export BUILD_TYPE
+export PREFIX
+
+.PHONY: all help setup start-tt config build test install package release clean
+
+all: config build test
+
+##@ Dependencies
+setup: ## Setup project
+	$(SCRIPTS_DIR)/setup.sh
+
+##@ Development
+config: ## Configure the build
+	$(SCRIPTS_DIR)/config.sh
+
+build: ## Build the project
+	$(SCRIPTS_DIR)/build.sh
+
+start-tt: ## Start the Tenstorrent container
+	$(SCRIPTS_DIR)/start-tt.sh
+
+##@ Testing
+test: ## Run tests
+	$(SCRIPTS_DIR)/test.sh
+
+##@ Project Management
+install: build ## Install the project
+	$(SCRIPTS_DIR)/install.sh
+
+package: ## Build release artifacts
+	$(SCRIPTS_DIR)/package.sh
+
+release: ## Publish release artifacts
+	$(SCRIPTS_DIR)/release.sh
+
+##@ Maintenance
+clean: ## Remove all build artifacts
+	$(SCRIPTS_DIR)/clean.sh
+
+##@ Documentation
+help: ## Display this help
+	@awk 'BEGIN {FS = ":.*##"; printf "Makefile Usage:\n  make \033[36m<target>\033[0m\n"} /^[.a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+

build/.gitignore

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+/config.build
+/root/
+/bootstrap/
+build/

build/bootstrap.build

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+project = certifiable-training
+
+using version
+using config
+using test
+using install
+using dist

build/export.build

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+$out_root/
+{
+  include include/
+}
+
+export $out_root/include/$import.target

build/root.build

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+using c
+using test
+
+c.std = c99
+c.warnings = all
+c.coptions += -Werror -pedantic -Wno-unused-parameter
+
+if ($c.id == 'gcc')
+  c.coptions += -fanalyzer
+
+c.poptions =+ "-I$src_root/include"

buildfile

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+./: {*/ -build/ -certifiable-build/ -include/ -.github/ -docs/} \
+  doc{README.md} \
+  legal{LICENSE} \
+  manifest
+
+./: src/ (examples/) tests/
+
+import src = src/
+import examples = examples/
+import tests = tests/
+
+# Don't install tests.
+#
+tests/: install = false